crop performance
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2022 ◽  
Vol 218 ◽  
pp. 105306
Author(s):  
Bin Ma ◽  
Bao-Luo Ma ◽  
Neil B. McLaughlin ◽  
Ming Li ◽  
Jinghui Liu

2022 ◽  
Vol 13 (1) ◽  
pp. 310-336
Author(s):  
C. S. Murthy ◽  
Malay Kumar Poddar ◽  
Karun Kumar Choudhary ◽  
Varun Pandey ◽  
P. Srikanth ◽  
...  

Author(s):  
CHRISTIAN DIMKPA ◽  
Maria Gabriela Nogueira Campos ◽  
Job Fugice ◽  
Katherine Glass ◽  
Ali Ozcan ◽  
...  

Nanoscale nutrients are promising for improving crop performance. However, size-induced potential for drifting, segregation, or transformation warrants strategies to streamline fertilization regimes. Herein, we developed three nanofertilizers by coating urea...


Agronomy ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 2558
Author(s):  
Geoffrey C. Anderson ◽  
Edward G. Barrett-Lennard

One current challenge for agricultural production in water-limited environments is to develop agronomic management practices that can overcome soil constraints and provide an economic return to the grower in both the short and long-term [...]


Agronomy ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 2485
Author(s):  
Michela Palumbo ◽  
Massimiliano D’Imperio ◽  
Vincenzo Tucci ◽  
Maria Cefola ◽  
Bernardo Pace ◽  
...  

Real-time monitoring of substrate parameters in the root-zone through dielectric sensors is considered a promising and feasible approach for precision irrigation and fertilization management of greenhouse soilless vegetable crops. This research investigates the effects of timer-based (TIMER) compared with dielectric sensor-based irrigation management with different irrigation set-points [SENSOR_0.35, SENSOR_0.30 and SENSOR_0.25, corresponding to substrate volumetric water contents (VWC) of 0.35, 0.30 and 0.25 m3 m−3, respectively] on water use, crop performance, plant growth and physiology, product quality and post-harvest parameters of soilless green bean (Phaseolus vulgaris L., cv Maestrale). In SENSOR treatments, an automatic system managed irrigation in order to maintain substrate moisture constantly close to the specific irrigation set-point. The highest water amount was used in TIMER treatment, with a water saving of roughly 36%, 41% and 47% in SENSOR_0.35, SENSOR_0.30 and SENSOR_0.25, respectively. In TIMER, the leaching rate was ≈31% of the total water consumption, while little leaching (<10%) was observed in SENSOR treatments. TIMER and SENSOR_0.35 resulted in similar plant growth and yield, while irrigation set-points corresponding to lower VWC values (SENSOR_0.30 and SENSOR_0.25) resulted in inadequate water availability conditions and impaired the crop performance. The study confirms that rational sensor-based irrigation allows to save water without compromising anyhow the product quality. In SENSOR irrigation management, in fact, especially in the case of optimal water availability conditions, it was possible to obtain high quality pods, with fully satisfactory characteristics during storage at 7 °C for 15 days.


2021 ◽  
Vol 7 (10) ◽  
pp. 65-71
Author(s):  
S. Talibi

The article presents the results of observations of Gossypium crop performance by development phases. The issues of the development of cotton under different irrigation regimes and levels of mineral nutrition, the state of the aboveground and root systems of the plant on sierozem-meadow soils of the Salyan steppe are considered.


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